/*
* Geeqie
* (C) 2004 John Ellis
- * Copyright (C) 2008 - 2009 The Geeqie Team
+ * Copyright (C) 2008 - 2012 The Geeqie Team
*
* Author: John Ellis
*
#include "main.h"
#include "image-load.h"
+#include "image_load_gdk.h"
+#include "image_load_jpeg.h"
+#include "image_load_tiff.h"
#include "exif.h"
#include "filedata.h"
#include <fcntl.h>
#include <sys/mman.h>
+#define IMAGE_LOADER_READ_BUFFER_SIZE_DEFAULT 4096
+#define IMAGE_LOADER_IDLE_READ_LOOP_COUNT_DEFAULT 1
+
/**************************************************************************************/
/* image loader class */
SIGNAL_ERROR,
SIGNAL_DONE,
SIGNAL_PERCENT,
+ SIGNAL_SIZE,
SIGNAL_COUNT
};
GType image_loader_get_type(void)
{
static GType type = 0;
- if (type == 0)
+ if (type == 0)
{
static const GTypeInfo info = {
sizeof(ImageLoaderClass),
ImageLoader *il = (ImageLoader *)instance;
il->pixbuf = NULL;
- il->idle_id = -1;
+ il->idle_id = 0;
il->idle_priority = G_PRIORITY_DEFAULT_IDLE;
il->done = FALSE;
il->loader = NULL;
il->bytes_read = 0;
il->bytes_total = 0;
- il->idle_done_id = -1;
+ il->idle_done_id = 0;
- il->idle_read_loop_count = options->image.idle_read_loop_count;
- il->read_buffer_size = options->image.read_buffer_size;
+ il->idle_read_loop_count = IMAGE_LOADER_IDLE_READ_LOOP_COUNT_DEFAULT;
+ il->read_buffer_size = IMAGE_LOADER_READ_BUFFER_SIZE_DEFAULT;
il->mapped_file = NULL;
il->requested_width = 0;
il->requested_height = 0;
+ il->actual_width = 0;
+ il->actual_height = 0;
il->shrunk = FALSE;
il->can_destroy = TRUE;
il->data_mutex = g_mutex_new();
il->can_destroy_cond = g_cond_new();
#endif
- DEBUG_1("new image loader %p, bufsize=%u idle_loop=%u", il, il->read_buffer_size, il->idle_read_loop_count);
+ DEBUG_1("new image loader %p, bufsize=%" G_GSIZE_FORMAT " idle_loop=%u", il, il->read_buffer_size, il->idle_read_loop_count);
}
static void image_loader_class_init(ImageLoaderClass *class)
G_TYPE_NONE, 1,
G_TYPE_DOUBLE);
+ signals[SIGNAL_SIZE] =
+ g_signal_new("size_prepared",
+ G_OBJECT_CLASS_TYPE(gobject_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET(ImageLoaderClass, area_ready),
+ NULL, NULL,
+ gq_marshal_VOID__INT_INT,
+ G_TYPE_NONE, 2,
+ G_TYPE_INT,
+ G_TYPE_INT);
+
}
static void image_loader_finalize(GObject *object)
if (il->error) DEBUG_1("%s", image_loader_get_error(il));
- DEBUG_1("freeing image loader %p bytes_read=%d", il, il->bytes_read);
+ DEBUG_1("freeing image loader %p bytes_read=%" G_GSIZE_FORMAT, il, il->bytes_read);
- if (il->idle_done_id != -1) g_source_remove(il->idle_done_id);
+ if (il->idle_done_id)
+ {
+ g_source_remove(il->idle_done_id);
+ il->idle_done_id = 0;
+ }
- while (g_source_remove_by_user_data(il))
+ while (g_source_remove_by_user_data(il))
{
DEBUG_2("pending signals detected");
}
- while (il->area_param_list)
+ while (il->area_param_list)
{
DEBUG_1("pending area_ready signals detected");
while (g_source_remove_by_user_data(il->area_param_list->data)) {}
il->area_param_list = g_list_delete_link(il->area_param_list, il->area_param_list);
}
- while (il->area_param_delayed_list)
+ while (il->area_param_delayed_list)
{
g_free(il->area_param_delayed_list->data);
il->area_param_delayed_list = g_list_delete_link(il->area_param_delayed_list, il->area_param_delayed_list);
{
ImageLoaderAreaParam *par = data;
ImageLoader *il = par->il;
- g_signal_emit(il, signals[SIGNAL_AREA_READY], 0, par->x, par->y, par->w, par->h);
+ guint x, y, w, h;
g_mutex_lock(il->data_mutex);
il->area_param_list = g_list_remove(il->area_param_list, par);
+ x = par->x;
+ y = par->y;
+ w = par->w;
+ h = par->h;
g_free(par);
g_mutex_unlock(il->data_mutex);
+
+ g_signal_emit(il, signals[SIGNAL_AREA_READY], 0, x, y, w, h);
return FALSE;
}
return FALSE;
}
+static gboolean image_loader_emit_size_cb(gpointer data)
+{
+ gint width, height;
+ ImageLoader *il = data;
+ g_mutex_lock(il->data_mutex);
+ width = il->actual_width;
+ height = il->actual_height;
+ g_mutex_unlock(il->data_mutex);
+ g_signal_emit(il, signals[SIGNAL_SIZE], 0, width, height);
+ return FALSE;
+}
+
+
/* DONE and ERROR are emited only once, thus they can have normal priority
PERCENT and AREA_READY should be processed ASAP
*/
g_idle_add_full(G_PRIORITY_HIGH, image_loader_emit_percent_cb, il, NULL);
}
-/* this function expects that il->data_mutex is locked by caller */
-static void image_loader_emit_area_ready(ImageLoader *il, guint x, guint y, guint w, guint h)
+static void image_loader_emit_size(ImageLoader *il)
{
+ g_idle_add_full(G_PRIORITY_HIGH, image_loader_emit_size_cb, il, NULL);
+}
+
+static ImageLoaderAreaParam *image_loader_queue_area_ready(ImageLoader *il, GList **list, guint x, guint y, guint w, guint h)
+{
+ if (*list)
+ {
+ ImageLoaderAreaParam *prev_par = (*list)->data;
+ if (prev_par->x == x && prev_par->w == w &&
+ prev_par->y + prev_par->h == y)
+ {
+ /* we can merge the notifications */
+ prev_par->h += h;
+ return NULL;
+ }
+ if (prev_par->x == x && prev_par->w == w &&
+ y + h == prev_par->y)
+ {
+ /* we can merge the notifications */
+ prev_par->h += h;
+ prev_par->y = y;
+ return NULL;
+ }
+ if (prev_par->y == y && prev_par->h == h &&
+ prev_par->x + prev_par->w == x)
+ {
+ /* we can merge the notifications */
+ prev_par->w += w;
+ return NULL;
+ }
+ if (prev_par->y == y && prev_par->h == h &&
+ x + w == prev_par->x)
+ {
+ /* we can merge the notifications */
+ prev_par->w += w;
+ prev_par->x = x;
+ return NULL;
+ }
+ }
+
ImageLoaderAreaParam *par = g_new0(ImageLoaderAreaParam, 1);
par->il = il;
par->x = x;
par->w = w;
par->h = h;
- il->area_param_list = g_list_prepend(il->area_param_list, par);
+ *list = g_list_prepend(*list, par);
+ return par;
+}
+
+/* this function expects that il->data_mutex is locked by caller */
+static void image_loader_emit_area_ready(ImageLoader *il, guint x, guint y, guint w, guint h)
+{
+ ImageLoaderAreaParam *par = image_loader_queue_area_ready(il, &il->area_param_list, x, y, w, h);
- g_idle_add_full(G_PRIORITY_HIGH, image_loader_emit_area_ready_cb, par, NULL);
+ if (par)
+ {
+ g_idle_add_full(G_PRIORITY_HIGH, image_loader_emit_area_ready_cb, par, NULL);
+ }
}
/**************************************************************************************/
/* the following functions may be executed in separate thread */
/* this function expects that il->data_mutex is locked by caller */
-static void image_loader_queue_delayed_erea_ready(ImageLoader *il, guint x, guint y, guint w, guint h)
+static void image_loader_queue_delayed_area_ready(ImageLoader *il, guint x, guint y, guint w, guint h)
{
- ImageLoaderAreaParam *par = g_new0(ImageLoaderAreaParam, 1);
- par->il = il;
- par->x = x;
- par->y = y;
- par->w = w;
- par->h = h;
-
- il->area_param_delayed_list = g_list_prepend(il->area_param_delayed_list, par);
+ image_loader_queue_area_ready(il, &il->area_param_delayed_list, x, y, w, h);
}
g_mutex_lock(il->data_mutex);
- if (!il->loader)
+ if (!il->loader)
{
g_mutex_unlock(il->data_mutex);
return;
}
- pb = gdk_pixbuf_loader_get_pixbuf(il->loader);
+ pb = il->backend.get_pixbuf(il->loader);
if (pb == il->pixbuf)
{
return;
}
+ if (g_ascii_strcasecmp(".jps", il->fd->extension) == 0)
+ {
+ g_object_set_data(G_OBJECT(pb), "stereo_data", GINT_TO_POINTER(STEREO_PIXBUF_CROSS));
+ }
+
if (il->pixbuf) g_object_unref(il->pixbuf);
il->pixbuf = pb;
g_mutex_unlock(il->data_mutex);
}
-static void image_loader_area_updated_cb(GdkPixbufLoader *loader,
+static void image_loader_area_updated_cb(gpointer loader,
guint x, guint y, guint w, guint h,
gpointer data)
{
g_mutex_lock(il->data_mutex);
if (il->delay_area_ready)
- image_loader_queue_delayed_erea_ready(il, x, y, w, h);
+ image_loader_queue_delayed_area_ready(il, x, y, w, h);
else
image_loader_emit_area_ready(il, x, y, w, h);
+
+ if (il->stopping) il->backend.abort(il->loader);
+
g_mutex_unlock(il->data_mutex);
}
-static void image_loader_area_prepared_cb(GdkPixbufLoader *loader, gpointer data)
+static void image_loader_area_prepared_cb(gpointer loader, gpointer data)
{
+ ImageLoader *il = data;
GdkPixbuf *pb;
guchar *pix;
size_t h, rs;
- /* a workaround for http://bugzilla.gnome.org/show_bug.cgi?id=547669 */
- gchar *format = gdk_pixbuf_format_get_name(gdk_pixbuf_loader_get_format(loader));
- if (strcmp(format, "svg") == 0)
+ /* a workaround for
+ http://bugzilla.gnome.org/show_bug.cgi?id=547669
+ http://bugzilla.gnome.org/show_bug.cgi?id=589334
+ */
+ gchar *format = il->backend.get_format_name(loader);
+ if (strcmp(format, "svg") == 0 ||
+ strcmp(format, "xpm") == 0)
{
g_free(format);
return;
g_free(format);
- pb = gdk_pixbuf_loader_get_pixbuf(loader);
+ pb = il->backend.get_pixbuf(loader);
h = gdk_pixbuf_get_height(pb);
rs = gdk_pixbuf_get_rowstride(pb);
}
-static void image_loader_size_cb(GdkPixbufLoader *loader,
+static void image_loader_size_cb(gpointer loader,
gint width, gint height, gpointer data)
{
ImageLoader *il = data;
- GdkPixbufFormat *format;
gchar **mime_types;
gboolean scale = FALSE;
gint n;
g_mutex_lock(il->data_mutex);
- if (il->requested_width < 1 || il->requested_height < 1)
+ il->actual_width = width;
+ il->actual_height = height;
+ if (il->requested_width < 1 || il->requested_height < 1)
{
g_mutex_unlock(il->data_mutex);
+ image_loader_emit_size(il);
return;
}
g_mutex_unlock(il->data_mutex);
- format = gdk_pixbuf_loader_get_format(loader);
- if (!format) return;
-
- mime_types = gdk_pixbuf_format_get_mime_types(format);
+ mime_types = il->backend.get_format_mime_types(loader);
n = 0;
while (mime_types[n])
{
}
g_strfreev(mime_types);
- if (!scale) return;
+ if (!scale)
+ {
+ image_loader_emit_size(il);
+ return;
+ }
g_mutex_lock(il->data_mutex);
+ gint nw, nh;
if (width > il->requested_width || height > il->requested_height)
{
- gint nw, nh;
if (((gdouble)il->requested_width / width) < ((gdouble)il->requested_height / height))
{
if (nw < 1) nw = 1;
}
- gdk_pixbuf_loader_set_size(loader, nw, nh);
+ il->actual_width = nw;
+ il->actual_height = nh;
+ il->backend.set_size(loader, nw, nh);
il->shrunk = TRUE;
}
- g_mutex_unlock(il->data_mutex);
+ g_mutex_unlock(il->data_mutex);
+ image_loader_emit_size(il);
}
static void image_loader_stop_loader(ImageLoader *il)
if (il->loader)
{
/* some loaders do not have a pixbuf till close, order is important here */
- gdk_pixbuf_loader_close(il->loader, il->error ? NULL : &il->error); /* we are interested in the first error only */
+ il->backend.close(il->loader, il->error ? NULL : &il->error); /* we are interested in the first error only */
image_loader_sync_pixbuf(il);
- g_object_unref(G_OBJECT(il->loader));
+ il->backend.free(il->loader);
il->loader = NULL;
}
g_mutex_lock(il->data_mutex);
static void image_loader_setup_loader(ImageLoader *il)
{
g_mutex_lock(il->data_mutex);
- il->loader = gdk_pixbuf_loader_new();
-
- g_signal_connect(G_OBJECT(il->loader), "area_updated",
- G_CALLBACK(image_loader_area_updated_cb), il);
- g_signal_connect(G_OBJECT(il->loader), "size_prepared",
- G_CALLBACK(image_loader_size_cb), il);
- g_signal_connect(G_OBJECT(il->loader), "area_prepared",
- G_CALLBACK(image_loader_area_prepared_cb), il);
+#ifdef HAVE_JPEG
+ if (il->bytes_total >= 2 && il->mapped_file[0] == 0xff && il->mapped_file[1] == 0xd8)
+ {
+ DEBUG_1("Using custom jpeg loader");
+ image_loader_backend_set_jpeg(&il->backend);
+ }
+ else
+#endif
+#ifdef HAVE_TIFF
+ if (il->bytes_total >= 10 &&
+ (memcmp(il->mapped_file, "MM\0*", 4) == 0 ||
+ memcmp(il->mapped_file, "II*\0", 4) == 0))
+ {
+ DEBUG_1("Using custom tiff loader");
+ image_loader_backend_set_tiff(&il->backend);
+ }
+ else
+#endif
+ image_loader_backend_set_default(&il->backend);
+
+ il->loader = il->backend.loader_new(image_loader_area_updated_cb, image_loader_size_cb, image_loader_area_prepared_cb, il);
g_mutex_unlock(il->data_mutex);
}
return FALSE;
}
- if (b < 0 || (b > 0 && !gdk_pixbuf_loader_write(il->loader, il->mapped_file + il->bytes_read, b, &il->error)))
+ if (b < 0 || (b > 0 && !il->backend.write(il->loader, il->mapped_file + il->bytes_read, b, &il->error)))
{
image_loader_error(il);
return FALSE;
if (b < 1) return FALSE;
image_loader_setup_loader(il);
-
- if (!gdk_pixbuf_loader_write(il->loader, il->mapped_file + il->bytes_read, b, &il->error))
+
+ g_assert(il->bytes_read == 0);
+ if (il->backend.load) {
+ b = il->bytes_total;
+ if (!il->backend.load(il->loader, il->mapped_file, b, &il->error))
+ {
+ image_loader_stop_loader(il);
+ return FALSE;
+ }
+ }
+ else if (!il->backend.write(il->loader, il->mapped_file, b, &il->error))
{
image_loader_stop_loader(il);
return FALSE;
il->bytes_read += b;
/* read until size is known */
- while (il->loader && !gdk_pixbuf_loader_get_pixbuf(il->loader) && b > 0 && !image_loader_get_stopping(il))
+ while (il->loader && !il->backend.get_pixbuf(il->loader) && b > 0 && !image_loader_get_stopping(il))
{
b = MIN(il->read_buffer_size, il->bytes_total - il->bytes_read);
- if (b < 0 || (b > 0 && !gdk_pixbuf_loader_write(il->loader, il->mapped_file + il->bytes_read, b, &il->error)))
+ if (b < 0 || (b > 0 && !il->backend.write(il->loader, il->mapped_file + il->bytes_read, b, &il->error)))
{
image_loader_stop_loader(il);
return FALSE;
ExifData *exif = exif_read_fd(il->fd);
if (options->thumbnails.use_exif)
- il->mapped_file = exif_get_preview(exif, &il->bytes_total, il->requested_width, il->requested_height);
+ il->mapped_file = exif_get_preview(exif, (guint *)&il->bytes_total, il->requested_width, il->requested_height);
else
- il->mapped_file = exif_get_preview(exif, &il->bytes_total, 0, 0); /* get the largest available preview image or NULL for normal images*/
+ il->mapped_file = exif_get_preview(exif, (guint *)&il->bytes_total, 0, 0); /* get the largest available preview image or NULL for normal images*/
if (il->mapped_file)
{
{
if (!il) return;
- if (il->idle_id != -1)
+ if (il->idle_id)
{
g_source_remove(il->idle_id);
- il->idle_id = -1;
+ il->idle_id = 0;
}
if (il->thread)
gboolean ret = FALSE;
ImageLoader *il = data;
- if (il->idle_id != -1)
+ if (il->idle_id)
{
ret = image_loader_continue(il);
}
/**************************************************************************************/
/* execution via thread */
+
+#ifdef HAVE_GTHREAD
static GThreadPool *image_loader_thread_pool = NULL;
static GCond *image_loader_prio_cond = NULL;
static void image_loader_thread_wait_high(void)
{
g_mutex_lock(image_loader_prio_mutex);
- while (image_loader_prio_num)
+ while (image_loader_prio_num)
{
g_cond_wait(image_loader_prio_cond, image_loader_prio_mutex);
}
{
ImageLoader *il = data;
gboolean cont;
+ gboolean err;
- if (il->idle_priority > G_PRIORITY_DEFAULT_IDLE)
+ if (il->idle_priority > G_PRIORITY_DEFAULT_IDLE)
{
/* low prio, wait untill high prio tasks finishes */
image_loader_thread_wait_high();
image_loader_thread_enter_high();
}
- cont = image_loader_begin(il);
+ err = !image_loader_begin(il);
- if (!cont && !image_loader_get_pixbuf(il))
+ if (err)
{
- /*
- loader failed, we have to send signal
+ /*
+ loader failed, we have to send signal
(idle mode returns the image_loader_begin return value directly)
(success is always reported indirectly from image_loader_begin)
*/
image_loader_emit_error(il);
}
+ cont = !err;
+
while (cont && !image_loader_get_is_done(il) && !image_loader_get_stopping(il))
{
- if (il->idle_priority > G_PRIORITY_DEFAULT_IDLE)
+ if (il->idle_priority > G_PRIORITY_DEFAULT_IDLE)
{
/* low prio, wait untill high prio tasks finishes */
image_loader_thread_wait_high();
}
image_loader_stop_loader(il);
- if (il->idle_priority <= G_PRIORITY_DEFAULT_IDLE)
+ if (il->idle_priority <= G_PRIORITY_DEFAULT_IDLE)
{
/* high prio */
image_loader_thread_leave_high();
if (!image_loader_setup_source(il)) return FALSE;
- if (!image_loader_thread_pool)
+ if (!image_loader_thread_pool)
{
image_loader_thread_pool = g_thread_pool_new(image_loader_thread_run, NULL, -1, FALSE, NULL);
image_loader_prio_cond = g_cond_new();
return TRUE;
}
+#endif /* HAVE_GTHREAD */
/**************************************************************************************/
gchar *image_loader_get_format(ImageLoader *il)
{
- GdkPixbufFormat *format;
gchar **mimev;
gchar *mime;
if (!il || !il->loader) return NULL;
- format = gdk_pixbuf_loader_get_format(il->loader);
- if (!format) return NULL;
-
- mimev = gdk_pixbuf_format_get_mime_types(format);
+ mimev = il->backend.get_format_mime_types(il->loader);
if (!mimev) return NULL;
/* return first member of mimev, as GdkPixbufLoader has no way to tell us which exact one ? */
if (!il) return 0.0;
g_mutex_lock(il->data_mutex);
- if (il->bytes_total == 0)
+ if (il->bytes_total == 0)
{
ret = 0.0;
}
projects / geeqie.git / blobdiff